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yunwei37
2023-12-06 10:06:52 +00:00
parent 11896a411e
commit 9dfd5babaa
59 changed files with 448 additions and 344 deletions
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26
29-sockops/load.sh
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@@ -2,19 +2,19 @@
set -x
set -e
# Mount bpf filesystem
sudo mount -t bpf bpf /sys/fs/bpf/
# Load the bpf_sockops program
sudo bpftool prog load bpf_sockops.o "/sys/fs/bpf/bpf_sockop"
sudo bpftool cgroup attach "/sys/fs/cgroup/unified/" sock_ops pinned "/sys/fs/bpf/bpf_sockop"
MAP_ID=$(sudo bpftool prog show pinned "/sys/fs/bpf/bpf_sockop" | grep -o -E 'map_ids [0-9]+' | awk '{print $2}')
sudo bpftool map pin id $MAP_ID "/sys/fs/bpf/sock_ops_map"
# Load the bpf_redir program
if [ -z $1 ]
then
sudo bpftool prog load bpf_redir.o "/sys/fs/bpf/bpf_redir" map name sock_ops_map pinned "/sys/fs/bpf/sock_ops_map"
sudo bpftool prog attach pinned "/sys/fs/bpf/bpf_redir" msg_verdict pinned "/sys/fs/bpf/sock_ops_map"
# check if old program already loaded
if [ -e "/sys/fs/bpf/bpf_sockops" ]; then
echo ">>> bpf_sockops already loaded, uninstalling..."
./unload.sh
echo ">>> old program already deleted..."
fi
# load and attach sock_ops program
sudo bpftool prog load bpf_contrack.bpf.o /sys/fs/bpf/bpf_sockops type sockops pinmaps /sys/fs/bpf/
sudo bpftool cgroup attach "/sys/fs/cgroup/" sock_ops pinned "/sys/fs/bpf/bpf_sockops"
# load and attach sk_msg program
sudo bpftool prog load bpf_redirect.bpf.o "/sys/fs/bpf/bpf_redir" map name sock_ops_map pinned "/sys/fs/bpf/sock_ops_map"
sudo bpftool prog attach pinned /sys/fs/bpf/bpf_redir msg_verdict pinned /sys/fs/bpf/sock_ops_map